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  • Small Time Counter H7 Et-N
  • Small Time Counter H7 Et-N
  • Small Time Counter H7 Et-N

Small Time Counter H7 Et-N H7ET-NFV

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Item Feature
This product is manufactured in Japanese standards. Please check the specification before you order.
Number of Digits
Ambient Humidity
25 - 85%
Back Light
Not available
Minimum Pulse Width
(Timekeeping) 1 s
Mounting Method
Embedding attachment
Weight (g)
About 60
(Data input) H LEVEL :AC/DC24-240 V L LEVEL :AC/DC24-240 V (Reset input) Short circuits: maximum impedance 10 k in ohm ON Short cirtuit residual voltage is less than .5V (1.0V power) Opening time minimum impedance more than 750 k ohm
EMC Standard
EMI:EN61326 Radiated interference field intensity of :EN55011 Group 1 Class B EMS:EN61326 ELECTROSTATIC DISCHARGE IMMUNITY :EN61000-4-2 ELECTRIC FIELD STRENGTH OF IMMUNITY: (AM MODULATION) N61000-4-3, (PULSES MODULATING) EN61000-4-3 EN61000-4-6 CONDUCTIVE NOISE IMMUNITY Burst noise immunity :EN61000-4-4
Display Type
LCD (digital display by a crystalline liquid) (zero supress display)
Vibration Resistance
single amplitude of 10-55Hz 0.375mm 3 directions, 2h each
Impact Resistance (Malfunction)
200 m / s26 direction 3 times each
Time Specification
(Display) 0.0h - 999999.9 h/0.0 h - 3999d23.9 h (switch change)
External reset/manual reset (20 ms of the minimum reset signal time)
Operating Ambient Temperature (deg C)
-10 to +55 (not in cases of freezing)
Impulse Voltage(V)
Between non-rechargeable metal temrinals and conductive power terminals 3k/ between timing input terminals and reset terminals
Storage Temperature (DegreeC)
-25-+65 (not during conditions of due or freezing)
Character Height (mm)
Case Color
Light grey
Opreration Method
Time: +/-100 ppm (25 deg C)
Electrostatic Yield Strength
+/-8 kV (malfunction)
Reset Method
External reset/manual reset
Noise Immunity
Square wave noise by noise simulator (100 ns, 1 microm s rising 1 ns) +/- 1.5 kV (timekeeping between the input pins) / +/- 500 V (between reset pin termina;s)
Water proof packing, embedded adapter, sealing unit
Safety Standards
Get the UL863 CSA C22.2 No.14 EN61010-1 (IEC61010-1): EXCESS VOLTAGE CATEGORY / POLLUTION DEGREE 2 [III] COMPATABILITY EMC STANDARD (EN61326)COMPATIBLE VDE0106 Part100 Compatibility (finger protection regulations) LR STANDARDS ACQUISITION
Impact Resistance
300 m / s26 direction 3 times each
Withstand Voltage
AC3700V 50/60 Hz 1min Non-rechargeable metal between exposure and the input timing AC2200V 50/60 Hz 1min Between Reset terminal and exposed non charging metal parts Timing input pin and reset terminals
Counting Input
Voltage free input
Vibration Resistance (malfunction)
10 To 55 Hz half amplitude of 0.15 mm 3-directions, 10 min each
External power supply not needed (battery built-in)
Protection Structure
IEC STANDARD IP66, UNITED STATES NEMA TYPE 4 (INDOOR) only for the panel surface
Insulation Resistance (Mohm)
More than 100 (with DC500V mega) between conductive terminal and exposed non charging metal part, between timing input terminal and reset terminal
Customer Reviews
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1 star 0
Review Rating: 5.00
1 Customer Reviews
The reviews are automatic translation.
Operation time measurement of sewage pump
From Japan
On 2014-04-04 17:58:36
When the liquid crystal screen is exposed to sunlight for a long time, the display may disappear. I hope to improve durability in external environment.
This review is about item#37651634.